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Ugboke JO, Uwumiro F, Okorigba EM, Lawal RA, Okpujie V, Ndulue C, Temple-Obi LO, Bassey EI, Hassan AE, Ozumba S. Unplanned 30-Day Readmissions After Hospitalization for Irritable Bowel Syndrome. Cureus 2024; 16:e64519. [PMID: 39139324 PMCID: PMC11321272 DOI: 10.7759/cureus.64519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/13/2024] [Indexed: 08/15/2024] Open
Abstract
Background Irritable bowel syndrome (IBS) continues to pose significant healthcare challenges due to its broad differential diagnosis and the often extensive yet inconclusive workup. We investigated the rates and characteristics of unplanned 30-day readmissions in adult patients hospitalized with IBS. In addition, we identified factors that predict readmission within 30 days of initial discharge. Methods We analyzed the 2020 Nationwide Readmission Database. Using the International Classification of Diseases, Tenth Revision, Clinical Modification code, we identified hospitalizations in adult patients with IBS. We excluded hospitalizations for minors and planned or elective readmissions. To compare baseline characteristics between readmissions and index hospitalizations, χ2 tests were employed. We used multivariate Cox regression analyses to identify independent predictors of readmissions. Results A total of 5,729 adult hospitalizations with IBS as the primary diagnosis were discharged alive, and 638 (11.1%) readmissions occurred within 30 days. The most common diagnoses associated with readmission were noninfective gastroenteritis and colitis, sepsis, enterocolitis due to Clostridium difficile, and irritable bowel syndrome with or without diarrhea. Patients in readmissions had a mean age of 56.3 years, similar to index hospitalizations (54.5 years, p=0.093). Readmissions had a higher burden of comorbidity (Charlson comorbidity index (CMI) scores ≥3: 26.7%, 170 cases vs. 16.6%, 953 cases; p<0.001) and were mostly Medicare beneficiaries (49.5%, 316% vs. 44.9%, 2,578) compared with index hospitalizations. Readmissions had a longer mean length of stay (LOS) (5.2 vs. 3.6 days, p<0.0001), higher inpatient mortality (0.8%, 5% vs. 0.2%, 11; p=0.032), and higher mean hospital costs ($47,852 vs. $34,592; p<0.0001) compared with index admissions. Secondary diagnoses of ulcerative colitis (adjusted hazard ratio (AHR), 2.82; p<0.0001), interstitial cystitis (AHR, 5.37; p=0.007), peripheral vascular disease (AHR, 1.59; p=0.027), and discharge to short-term hospitals (AHR, 1.03; p<0.0001) were significantly associated with a higher likelihood of readmission within 30 days. Conclusion IBS readmissions have poorer outcomes than index hospitalizations. Patients with an existing history of ulcerative colitis, interstitial cystitis, and peripheral vascular disease and those discharged to short-term hospitals following index hospitalization are more likely to be readmitted within 30 days.
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Affiliation(s)
- Joshua O Ugboke
- Internal Medicine, College of Medicine, University of Lagos, Lagos, NGA
| | - Fidelis Uwumiro
- Internal Medicine, Our Lady of Apostles Hospital, Akwanga, NGA
| | | | - Ridwan A Lawal
- Internal Medicine, College of Medicine, University of Lagos, Lagos, NGA
| | | | | | - Love O Temple-Obi
- Internal Medicine, University of Abuja Teaching Hospital, Gwagwalada, NGA
| | - Emmanuel I Bassey
- Internal Medicine, College of Health Sciences, University of Uyo, Uyo, NGA
| | | | - Sara Ozumba
- Family Medicine, University of Nigeria, Enugu, NGA
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Taghaddos D, Saqib Z, Bai X, Bercik P, Collins SM. Post-infectious ibs following Clostridioides difficile infection; role of microbiota and implications for treatment. Dig Liver Dis 2024:S1590-8658(24)00309-8. [PMID: 38653643 DOI: 10.1016/j.dld.2024.03.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 02/21/2024] [Accepted: 03/13/2024] [Indexed: 04/25/2024]
Abstract
Up to 25% of patients recovering from antibiotic-treated Clostridioides difficile infection (CDI) develop functional symptoms reminiscent of Post-Infectious Irritable Bowel Syndrome (PI-IBS). For patients with persistent symptoms following infection, a clinical dilemma arises as to whether to provide additional antibiotic treatment or to adopt a conservative symptom-based approach. Here, we review the literature on CDI-related PI-IBS and compare the findings with PI-IBS. We review proposed mechanisms, including the role of C. difficile toxins and the microbiota, and discuss implications for therapy. We suggest that gut dysfunction post-CDI may be initiated by toxin-induced damage to enteroglial cells and that a dysbiotic gut microbitota maintains the clinical phenotype over time, prompting consideration of microbiota-directed therapies. While Fecal Microbial Transplant (FMT) is currently reserved for recurrent CDI (rCDI), we propose that microbiota-directed therapies may have a role in primary CDI in order to avoid or mitigate futher antibiotic treatment that further disrupts the microbiota and thus prevent PI-IBS. We discuss novel microbial transfer therapies and as they emerge, we recommend clinical trials to determine whether microbial transfer therapy of the primary infection prevents both rCDI and CDI-related PI- IBS.
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Affiliation(s)
- Dana Taghaddos
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, Ontario, Canada
| | - Zarwa Saqib
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, Ontario, Canada
| | - Xaiopeng Bai
- Division of Gastroenterology, Kyushu University, Japan
| | - Premysl Bercik
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, Ontario, Canada
| | - Stephen M Collins
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, Ontario, Canada.
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Saha S, Sehgal K, Singh S, Grover M, Pardi D, Khanna S. Postinfection Irritable Bowel Syndrome Following Clostridioides difficile Infection: A Systematic-review and Meta-analysis. J Clin Gastroenterol 2022; 56:e84-e93. [PMID: 34049374 PMCID: PMC8627535 DOI: 10.1097/mcg.0000000000001536] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 02/19/2021] [Indexed: 02/03/2023]
Abstract
BACKGROUND Postinfection irritable bowel syndrome (PI-IBS) affects ~14% patients after acute bacterial enterocolitis. AIM The aim of this study was to conduct a systematic review and meta-analysis to find the prevalence of PI-IBS following Clostridioides difficile infection (CDI). METHODS We systematically searched Medline, Embase, and Web of Science from inception through January 20, 2020 for cohort studies assessing PI-IBS following CDI. Primary outcome was pooled prevalence calculated using inverse variance heterogeneity model [MetaXL (v. 5.3)]. A priori subgroup analyses were done [by irritable bowel syndrome (IBS) diagnostic criteria-Rome vs. others, time of IBS diagnosis-<6 or >6 mo, exclusion or inclusion of pre-existing IBS and CDI treatment-antibiotic with fecal microbiota transplantation vs. antibiotic only]. Heterogeneity was considered substantial if I2>50%. RESULTS From 2007 to 2019, 15 studies were included (10 prospective, 5 retrospective; 9 full-text, 6 abstracts). Data from 1218 patients were included in the quantitative analysis. Risk of bias was low in 7, medium in 4 and high in 4 studies. Pooled prevalence of PI-IBS was 21.1% (95% confidence interval, 8.2%-35.7%), I2=96%. Common PI-IBS subtypes were diarrhea-predominant in 46.3% (50) patients, and mixed in 33.3% (36) patients. Subgroup analyses by IBS diagnostic criteria, time of IBS diagnosis or CDI treatment did not significantly change the primary outcome (all P>0.05), nor decrease heterogeneity. Funnel plot analysis revealed publication bias. CONCLUSIONS Over 20% of patients develop PI-IBS after CDI. Factors such as diagnostic criteria for IBS and CDI treatment did not affect prevalence, though small numbers limit the confidence in these conclusions. Larger, well conducted studies are needed to study PI-IBS in CDI.
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Affiliation(s)
- Srishti Saha
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA 55905
| | - Kanika Sehgal
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA 55905
| | - Sumitabh Singh
- Division of Endocrinology, Mayo Clinic, Rochester, Minnesota, USA 55905
| | - Madhusudan Grover
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA 55905
| | - Darrell Pardi
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA 55905
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA 55905
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Iacob T, Țățulescu DF, Lupșe MS, Dumitrașcu DL. Post-infectious irritable bowel syndrome after a laboratory-proven enteritis. Exp Ther Med 2020; 20:3517-3522. [PMID: 32905134 PMCID: PMC7464999 DOI: 10.3892/etm.2020.9018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 07/06/2020] [Indexed: 12/13/2022] Open
Abstract
There are scarce data on risk factors for post-infectious irritable bowel syndrome (PI-IBS). The objective of this study was to determine the risk factors of developing PI-IBS following an acute infectious gastroenteritis (AGE) episode in which, by laboratory tests, the etiological agent was isolated. The study was conducted on patients admitted to a tertiary center of infectious diseases during three consecutive years. The patients were divided into two groups: a group consisting of patients admitted with AGE (with an isolated etiological agent) and a control group consisting of patients admitted for an acute upper respiratory tract infection (URTI). The subjects were recalled in our center 6 months after the admission and were evaluated with Rome III IBS diagnostic questionnaire and Bristol Stool Form Scale. The questionnaires were paper printed and directly filled in by the subjects. The response rate in the case group was 5% and in the control group 100%. The prevalence of PI-IBS was higher in patients with AGE, presenting a relative risk (RR) of 4.16 [95% confidence interval (CI), 1.89-9.17], statistically significant (P<0.001) vs. URTI. From 28 female patients, 22 patients (79%) developed PI-IBS and from 17 male patients, 3 patients (18%) had developed PI-IBS with a risk of 4.4 (95% CI, 1.56-12.65), P<0.001. Regarding the infectious etiology of the AGE, Campylobacter jejuni had the highest risk of developing PI-IBS, RR=1.2 (95% CI, 0.13-3.11), P=0.04 compared with the other agents with a lower risk. The risk to develop PI-IBS after AGE infection is 4.16 higher than after URTI. Female sex is a risk factor for PI-IBS, 79% of the female patients developed PI-IBS after AGE. The incidence of PI-IBS is highest in patients with Campylobacter jejuni AGE compared with the other agents.
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Affiliation(s)
- Teodora Iacob
- Department of Infectious Diseases, 'Iuliu Hațieganu' University of Medicine and Pharmacy, 400348 Cluj-Napoca, Romania
| | - Doina F Țățulescu
- Department of Infectious Diseases, 'Iuliu Hațieganu' University of Medicine and Pharmacy, 400348 Cluj-Napoca, Romania
| | - Mihaela S Lupșe
- Department of Infectious Diseases, 'Iuliu Hațieganu' University of Medicine and Pharmacy, 400348 Cluj-Napoca, Romania
| | - Dan L Dumitrașcu
- Second Medical Department, 'Iuliu Hațieganu' University of Medicine and Pharmacy, 400006 Cluj-Napoca, Romania
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Zhu S, Liu S, Li H, Zhang Z, Zhang Q, Chen L, Zhao Y, Chen Y, Gu J, Min L, Zhang S. Identification of Gut Microbiota and Metabolites Signature in Patients With Irritable Bowel Syndrome. Front Cell Infect Microbiol 2019; 9:346. [PMID: 31681624 PMCID: PMC6813219 DOI: 10.3389/fcimb.2019.00346] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 09/25/2019] [Indexed: 12/12/2022] Open
Abstract
Background and Aims: Irritable bowel syndrome (IBS) is a common functional gastrointestinal disorder. However, the underlying mechanism of IBS is not fully understood. The aim of this study was to investigate potential mechanism and novel biomarkers of IBS through evaluation of the metabolomic and microbiologic profile. Methods: Fecal samples were collected from 15 irritable bowel syndrome patients and 15 healthy controls. By using gas chromatography coupled to time-of-flight mass spectrometry (GC-TOFMS) and 16S rDNA amplicon sequencing, fecal metabolites and microbiota of healthy controls and the IBS patients were measured. Results: IBS patients had a significantly differential metabolite profile as compared to healthy controls, and 4 clusters with 31 metabolites, including a group of amino acids and fatty acids, were significantly up-regulated as compared to the healthy controls. In addition, 19 microbes were significantly up-regulated, and 12 microbes were down-regulated in the IBS group, when compared with the healthy controls. Some clusters of fecal metabolites or microorganisms were significantly correlated with the severity of IBS symptoms, such as the frequency of abdominal pain/discomfort and the number of bowel movements. Correlation of the metabolite levels with abundances of microbial genera showed some statistically significant metabolite-microbe associations. Four differentially abundant amino acids clustered together were positively correlated with some microbes, including Lachnospira, Clostridium, and so on. Conclusion: The finding of this study puts a global perspective on metabolomics and microbiota profiling in IBS patients and provides a theoretical basis for future research on pathophysiology of IBS.
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Affiliation(s)
- Shengtao Zhu
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
| | - Si Liu
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
| | - Hengcun Li
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
| | - Zheng Zhang
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
| | - Qian Zhang
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
| | - Lei Chen
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
| | - Yu Zhao
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
| | - Yang Chen
- MOE Key Laboratory of Bioinformatics, Bioinformatics Division and Center for Synthetic and Systems Biology, Department of Automation, BNRist, Tsinghua University, Beijing, China
| | - Junchao Gu
- Beijing Tropical Medicine Research Institute, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Li Min
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
| | - Shutian Zhang
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
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Svendsen AT, Bytzer P, Engsbro AL. Systematic review with meta-analyses: does the pathogen matter in post-infectious irritable bowel syndrome? Scand J Gastroenterol 2019; 54:546-562. [PMID: 31112663 DOI: 10.1080/00365521.2019.1607897] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Objective: Acute gastroenteritis (AGE) is a risk factor for post-infectious irritable bowel syndrome (PI-IBS). This systematic review evaluates the prevalence and risk-factors of PI-IBS after AGE by specific pathogens. Materials and methods: Medline (1966-2019) and Embase (1974-2019) were searched for studies evaluating PI-IBS minimum 3 months after AGE with Campylobacter spp., Salmonella spp., Shigella spp., Escherischia coli, Clostridium difficile, norovirus, rotavirus, Cryptosporidium spp. or Giardia intestinalis using validated criteria for IBS. Pooled prevalence (PP), odds ratios (OR) and risk factors were determined for single pathogens, groups of bacteria, viruses and parasites, and overall for AGE caused by any pathogen. Random-effect models were used for meta-analyses. Results: A total of 34 articles were included. PP of PI-IBS after Campylobacter spp. was 12% (confidence interval 95% [CI]: 10-15%), Salmonellosis 12% (CI: 9-15%), Shigellosis 11% (CI: 8-15%), C. difficile 14% (CI: 4-29%) and E. coli spp. 12% (CI: 5-20%). OR of PI-IBS after salmonellosis was 5.5 (CI: 2.3-12.8) and after shigellosis 13.8 (CI: 4.2-45.4). Bacterial AGE overall showed OR 5.8 (CI: 4.0-8.3) and AGE caused by any pathogen OR 4.9 (CI: 3.9-6.1). Few studies exist on viral and parasitic gastroenteritis. Conclusions: Current literature show similar risks for bacterial pathogens. Studies are limited for viral and parasitic pathogens. The evaluated risk-factors for PI-IBS varied among the included studies and the existing evidence is insufficient to identify pathogen-specific risk factors.
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Affiliation(s)
- Anna Tølbøll Svendsen
- a Department of Gastroenterology , Zealand University Hospital , Køge , Denmark.,b Department of Clinical Medicine , Copenhagen University , Copenhagen N , Denmark
| | - Peter Bytzer
- a Department of Gastroenterology , Zealand University Hospital , Køge , Denmark.,b Department of Clinical Medicine , Copenhagen University , Copenhagen N , Denmark
| | - Anne Line Engsbro
- c Department of Clinical Microbiology , Copenhagen University Hospital Hvidovre , Hvidovre , Denmark
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Sadeghi A, Biglari M, Nasseri Moghaddam S. Post-infectious Irritable Bowel Syndrome: A Narrative Review. Middle East J Dig Dis 2019; 11:69-75. [PMID: 31380002 PMCID: PMC6663289 DOI: 10.15171/mejdd.2019.130] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Accepted: 05/22/2019] [Indexed: 12/12/2022] Open
Abstract
The Irritable bowel syndrome (IBS) is a functional disorder of alimentary system, which may be caused by infectious gastroenteritis determined as post infectious irritable bowel syndrome (PI-IBS). The prevalence of PI-IBS is reported to be 4-36% in patients with infectious gastroenteritis. The exact mechanism leading to PI-IBS is not fully understood and some factors pertaining to infectious agent and host response may have a role. Rome IV diagnostic criteria provided new definition for PI-IBS. Though it is now considered a well-defined functional disorder of gastrointestinal system, no specific treatment is yet available for PI-IBS. This article reviews the latest issues on these heading about PI-IBS.
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Affiliation(s)
- Anahita Sadeghi
- Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Biglari
- Department of Internal Medicine, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Siavosh Nasseri Moghaddam
- Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
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Abstract
PURPOSE OF REVIEW The aim of this review was to provide an overview of the current understanding of the diagnosis, pathophysiology, and the role of the gut microbiome in Clostridium difficile infection (CDI)-related postinfectious irritable bowel syndrome (PI-IBS). RECENT FINDINGS PI-IBS is a recognized pathological entity and was estimated to affect 1 in 10 patients with infectious enteritis. CDI remains a major healthcare burden worldwide with a one in four chance of recurrence of symptoms following treatment. While there is growing interest in functional gastrointestinal disorders including PI-IBS, studies examining the prevalence and risk factors of CDI-related PI-IBS remain scarce. One of many proposed mechanisms for PI-IBS is related to dysbiosis of the gut microbiota, which is the hallmark of CDI pathogenesis. Therefore, restoration of the gut microbiota, which is associated with successful outcomes in CDI, may be a potential treatment option for PI-IBS. However, two randomized controlled trails exploring the restoration of the gut microbiota using faecal microbiota transplant came to differing conclusions. SUMMARY PI-IBS, particularly CDI-related PI-IBS, remains an understudied area. A better understanding of the pathophysiology of PI-IBS is essential to developing more specific and effective management strategies.
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Barlam TF, Soria-Saucedo R, Ameli O, Cabral HJ, Kaplan WA, Kazis LE. Retrospective analysis of long-term gastrointestinal symptoms after Clostridium difficile infection in a nonelderly cohort. PLoS One 2018; 13:e0209152. [PMID: 30557401 PMCID: PMC6296708 DOI: 10.1371/journal.pone.0209152] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 12/02/2018] [Indexed: 12/27/2022] Open
Abstract
Elderly patients and those with comorbid conditions are at high risk for poor outcomes after Clostridium difficile infection (CDI) but outcomes in a healthier, nonelderly population are not well described. We sought to investigate gastrointestinal diagnoses and CDI during hospitalizations in the 24 to 36 months after an initial episode of CDI in nonelderly patients in a cohort with an overall low prevalence of comorbid conditions. We performed a retrospective analysis of hospital admissions from 2010–2013 using the Truven MarketScan database of employment-based private insurance claims. Subjects <65 years of age and their adult dependents (> = 18 years old); a CDI diagnosis in 2011 (index date); at least 12 months of pre-index continuous enrollment; and 24–36 months of continuous post-index enrollment were included. The 12 months of each subject’s enrollment prior to the index date for a CDI served as the reference period for the analyses of that subject’s post-CDI time periods. Hospital claims during the follow-up period were evaluated for gastrointestinal diagnoses and/or CDI ICD-9 codes. The risk of gastrointestinal diagnoses was assessed using Cox proportional hazards models adjusted for a pre-specified set of baseline demographic and clinical factors. During 2011, 5,632 subjects with CDI met the inclusion criteria for our study. The risk of gastrointestinal diagnoses in patients with a CDI diagnostic code for the same admission was almost 8-fold higher 3 months post-CDI (hazard ratio (HR) = 7.56; 95% confidence interval (CI): 2.97–19.19) than for subjects without CDI and remained statistically significant until month 24 (HR = 1.47; 95% CI = 1.04–2.08). After CDI, patients remained at risk for gastrointestinal symptoms with CDI for up to two years. There is an important, long-term healthcare burden after CDI in this population.
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Affiliation(s)
- Tamar F. Barlam
- Section of Infectious Diseases, Department of Medicine, Boston University School of Medicine, Boston, Massachusetts, United States of America
- * E-mail:
| | - Rene Soria-Saucedo
- Department of Pharmaceutical Outcomes and Policy, College of Pharmacy at the University of Florida, Gainesville, Florida, United States of America
| | - Omid Ameli
- Department of Health Law, Policy and Management, Boston University School of Public Health, Boston, Massachusetts, United States of America
| | - Howard J. Cabral
- Department of Biostatistics, Boston University School of Public Health, Boston, Massachusetts, United States of America
| | - Warren A. Kaplan
- Center for Global Health and Development, Boston University School of Public Health, Boston, Massachusetts, United States of America
| | - Lewis E. Kazis
- Health Outcomes Unit, Department of Health Law, Policy and Management, Boston University School of Public Health, Boston, Massachusetts, United States of America
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Bassotti G, Macchioni L, Corazzi L, Marconi P, Fettucciari K. Clostridium difficile-related postinfectious IBS: a case of enteroglial microbiological stalking and/or the solution of a conundrum? Cell Mol Life Sci 2018; 75:1145-1149. [PMID: 29285574 PMCID: PMC11105427 DOI: 10.1007/s00018-017-2736-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 12/11/2017] [Accepted: 12/20/2017] [Indexed: 02/06/2023]
Abstract
Post-infectious irritable bowel syndrome is a well-defined pathological entity that develops in about one-third of subjects after an acute infection (bacterial, viral) or parasitic infestation. Only recently it has been documented that an high incidence of post-infectious irritable bowel syndrome occurs after Clostridium difficile infection. However, until now it is not known why in some patients recovered from this infection the gastrointestinal disturbances persist for months or years. Based on our in vitro studies on enteric glial cells exposed to the effects of C. difficile toxin B, we hypothesize that persistence of symptoms up to the development of irritable bowel syndrome might be due to a disturbance/impairment of the correct functions of the enteroglial intestinal network.
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Affiliation(s)
- Gabrio Bassotti
- Department of Medicine, University of Perugia Medical School, Perugia, Italy.
- Gastroenterology and Hepatology Section, Santa Maria della Misericordia Hospital, Piazzale Menghini, 1, 06156, San Sisto (Perugia), Italy.
| | - Lara Macchioni
- Department of Experimental Medicine, University of Perugia Medical School, Perugia, Italy
| | - Lanfranco Corazzi
- Department of Experimental Medicine, University of Perugia Medical School, Perugia, Italy
| | - Pierfrancesco Marconi
- Department of Experimental Medicine, University of Perugia Medical School, Perugia, Italy
| | - Katia Fettucciari
- Department of Experimental Medicine, University of Perugia Medical School, Perugia, Italy
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Tariq R, Weatherly RM, Kammer PP, Pardi DS, Khanna S. Experience and Outcomes at a Specialized Clostridium difficile Clinical Practice. Mayo Clin Proc Innov Qual Outcomes 2017; 1:49-56. [PMID: 30225401 PMCID: PMC6134908 DOI: 10.1016/j.mayocpiqo.2017.05.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Objective To report our experience with and outcomes among patients referred to a specialized Clostridium difficile clinical practice. Patients and Methods We retrospectively identified consecutive patients referred for Clostridium difficile infection (CDI) management from January 1, 2013, through May 30, 2015. Data were collected for demographic characteristics, CDI history, final diagnoses, and management. Results Overall, 211 patients (median age, 65 years; 66.4% women) were included. The most common indications for referral were recurrent CDI in 199 patients (94.3%), first CDI episode in 5 patients (2.4%), and chronic diarrhea in 7 patients (3.3%). After evaluation, the diagnoses were recurrent CDI in 127 patients (60.2%), resolved CDI in 36 patients (17.1%), first-episode CDI in 5 patients (2.4%), and non-CDI in 43 patients (20.4%). The most common non-CDI diagnoses were postinfection irritable bowel syndrome (PI-IBS) in 32 patients (15.2% overall), inflammatory bowel disease (n=3), small intestinal bacterial overgrowth (n=2), microscopic colitis (n=1), and asymptomatic C difficile colonization (n=2). Two patients had diabetic gastroparesis and food intolerances, and 1 had chronic constipation with overflow diarrhea. Of 127 patients with recurrent CDI, 30 (23.6%) received antibiotics; of these 30, 12 had antibiotic treatment failure and received fecal microbiota transplantation (FMT) for recurrent CDI. Among 97 patients (76.4%) who underwent FMT, 85 (87.6%) were cured after the first FMT, 5 were cured after the second FMT, and 7 were treated with antibiotics for FMT failure, with resolution of symptoms. Conclusion A substantial proportion of patients referred for CDI subsequently received alternative diagnoses; PI-IBS was the most common. Patients being referred for recurrent CDI should be evaluated carefully for alternative diagnoses.
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Affiliation(s)
- Raseen Tariq
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - Renee M Weatherly
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - Patricia P Kammer
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - Darrell S Pardi
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
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Fettucciari K, Ponsini P, Gioè D, Macchioni L, Palumbo C, Antonelli E, Coaccioli S, Villanacci V, Corazzi L, Marconi P, Bassotti G. Enteric glial cells are susceptible to Clostridium difficile toxin B. Cell Mol Life Sci 2017; 74:1527-1551. [PMID: 27891552 PMCID: PMC11107567 DOI: 10.1007/s00018-016-2426-4] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2016] [Revised: 10/27/2016] [Accepted: 11/21/2016] [Indexed: 02/06/2023]
Abstract
Clostridium difficile causes nosocomial/antibiotic-associated diarrhoea and pseudomembranous colitis. The major virulence factors are toxin A and toxin B (TcdB), which inactivate GTPases by monoglucosylation, leading to cytopathic (cytoskeleton alteration, cell rounding) and cytotoxic effects (cell-cycle arrest, apoptosis). C. difficile toxins breaching the intestinal epithelial barrier can act on underlying cells, enterocytes, colonocytes, and enteric neurons, as described in vitro and in vivo, but until now no data have been available on enteric glial cell (EGC) susceptibility. EGCs are crucial for regulating the enteric nervous system, gut homeostasis, the immune and inflammatory responses, and digestive and extradigestive diseases. Therefore, we evaluated the effects of C. difficile TcdB in EGCs. Rat-transformed EGCs were treated with TcdB at 0.1-10 ng/ml for 1.5-48 h, and several parameters were analysed. TcdB induces the following in EGCs: (1) early cell rounding with Rac1 glucosylation; (2) early G2/M cell-cycle arrest by cyclin B1/Cdc2 complex inactivation caused by p27 upregulation, the downregulation of cyclin B1 and Cdc2 phosphorylated at Thr161 and Tyr15; and (3) apoptosis by a caspase-dependent but mitochondria-independent pathway. Most importantly, the stimulation of EGCs with TNF-α plus IFN-γ before, concomitantly or after TcdB treatment strongly increased TcdB-induced apoptosis. Furthermore, EGCs that survived the cytotoxic effect of TcdB did not recover completely and showed not only persistent Rac1 glucosylation, cell-cycle arrest and low apoptosis but also increased production of glial cell-derived neurotrophic factor, suggesting self-rescuing mechanisms. In conclusion, the high susceptibility of EGCs to TcdB in vitro, the increased sensitivity to inflammatory cytokines related to apoptosis and the persistence of altered functions in surviving cells suggest an important in vivo role of EGCs in the pathogenesis of C. difficile infection.
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Affiliation(s)
- Katia Fettucciari
- Department of Experimental Medicine, Histology and Medical Embryology Section, Perugia University, Piazza Lucio Severi 1, Edificio B IV piano, Sant'Andrea delle Fratte, 06132, Perugia, Italy.
| | - Pamela Ponsini
- Department of Experimental Medicine, Histology and Medical Embryology Section, Perugia University, Piazza Lucio Severi 1, Edificio B IV piano, Sant'Andrea delle Fratte, 06132, Perugia, Italy
| | - Davide Gioè
- Department of Experimental Medicine, Histology and Medical Embryology Section, Perugia University, Piazza Lucio Severi 1, Edificio B IV piano, Sant'Andrea delle Fratte, 06132, Perugia, Italy
| | - Lara Macchioni
- Department of Experimental Medicine, Physiology and Biochemistry Section, Perugia University, Perugia, Italy
| | - Camilla Palumbo
- Department of Clinical Sciences and Translational Medicine, Tor Vergata University, Rome, Italy
| | | | - Stefano Coaccioli
- Department of Medicine, Internal Medicine, Rheumatology and Medical Therapy of Pain Section, Perugia University, District of Terni, Perugia, Italy
| | | | - Lanfranco Corazzi
- Department of Experimental Medicine, Physiology and Biochemistry Section, Perugia University, Perugia, Italy
| | - Pierfrancesco Marconi
- Department of Experimental Medicine, Histology and Medical Embryology Section, Perugia University, Piazza Lucio Severi 1, Edificio B IV piano, Sant'Andrea delle Fratte, 06132, Perugia, Italy
| | - Gabrio Bassotti
- Department of Medicine, Gastroenterology, Hepatology and Digestive Endoscopy Section, Perugia University, Perugia, Italy
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Klem F, Wadhwa A, Prokop L, Sundt W, Farrugia G, Camilleri M, Singh S, Grover M. Prevalence, Risk Factors, and Outcomes of Irritable Bowel Syndrome After Infectious Enteritis: A Systematic Review and Meta-analysis. Gastroenterology 2017; 152:1042-1054.e1. [PMID: 28069350 PMCID: PMC5367939 DOI: 10.1053/j.gastro.2016.12.039] [Citation(s) in RCA: 263] [Impact Index Per Article: 37.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Revised: 12/29/2016] [Accepted: 12/30/2016] [Indexed: 02/06/2023]
Abstract
BACKGROUND & AIMS Foodborne illness affects 15% of the US population each year, and is a risk factor for irritable bowel syndrome (IBS). We evaluated risk of, risk factors for, and outcomes of IBS after infectious enteritis. METHODS We performed a systematic review of electronic databases from 1994 through August 31, 2015 to identify cohort studies of the prevalence of IBS 3 months or more after infectious enteritis. We used random-effects meta-analysis to calculate the summary point prevalence of IBS after infectious enteritis, as well as relative risk (compared with individuals without infectious enteritis) and host- and enteritis-related risk factors. RESULTS We identified 45 studies, comprising 21,421 individuals with enteritis, followed for 3 months to 10 years for development of IBS. The pooled prevalence of IBS at 12 months after infectious enteritis was 10.1% (95% confidence interval [CI], 7.2-14.1) and at more than 12 months after infectious enteritis was 14.5% (95% CI, 7.7-25.5). Risk of IBS was 4.2-fold higher in patients who had infectious enteritis in the past 12 months than in those who had not (95% CI, 3.1-5.7); risk of IBS was 2.3-fold higher in individuals who had infectious enteritis more than 12 months ago than in individuals who had not (95% CI, 1.8-3.0). Of patients with enteritis caused by protozoa or parasites, 41.9% developed IBS, and of patients with enteritis caused by bacterial infection, 13.8% developed IBS. Risk of IBS was significantly increased in women (odds ratio [OR], 2.2; 95% CI, 1.6-3.1) and individuals with antibiotic exposure (OR, 1.7; 95% CI, 1.2-2.4), anxiety (OR, 2; 95% CI, 1.3-2.9), depression (OR, 1.5; 95% CI, 1.2-1.9), somatization (OR, 4.1; 95% CI, 2.7-6.0), neuroticism (OR, 3.3; 95% CI, 1.6-6.5), and clinical indicators of enteritis severity. There was a considerable level of heterogeneity among studies. CONCLUSIONS In a systematic review and meta-analysis, we found >10% of patients with infectious enteritis develop IBS later; risk of IBS was 4-fold higher than in individuals who did not have infectious enteritis, although there was heterogeneity among studies analyzed. Women-particularly those with severe enteritis-are at increased risk for developing IBS, as are individuals with psychological distress and users of antibiotics during the enteritis.
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Affiliation(s)
- Fabiane Klem
- Division of Gastroenterology & Hepatology, Mayo Clinic, Rochester, MN,Universidade Federal do Paraná, Curitiba, Paraná, Brazil
| | - Akhilesh Wadhwa
- Division of Gastroenterology & Hepatology, Mayo Clinic, Rochester, MN
| | - Larry Prokop
- Division of Gastroenterology & Hepatology, Mayo Clinic, Rochester, MN
| | - Wendy Sundt
- Division of Gastroenterology & Hepatology, Mayo Clinic, Rochester, MN
| | - Gianrico Farrugia
- Division of Gastroenterology & Hepatology, Mayo Clinic, Rochester, MN
| | - Michael Camilleri
- Division of Gastroenterology & Hepatology, Mayo Clinic, Rochester, MN
| | - Siddharth Singh
- Division of Gastroenterology, University of California San Diego, San Diego, CA
| | - Madhusudan Grover
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota.
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Kelly CR, Khoruts A, Staley C, Sadowsky MJ, Abd M, Alani M, Bakow B, Curran P, McKenney J, Tisch A, Reinert SE, Machan JT, Brandt LJ. Effect of Fecal Microbiota Transplantation on Recurrence in Multiply Recurrent Clostridium difficile Infection: A Randomized Trial. Ann Intern Med 2016; 165:609-616. [PMID: 27547925 PMCID: PMC5909820 DOI: 10.7326/m16-0271] [Citation(s) in RCA: 430] [Impact Index Per Article: 53.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND To date, evidence for the efficacy of fecal microbiota transplantation (FMT) in recurrent Clostridium difficile infection (CDI) has been limited to case series and open-label clinical trials. OBJECTIVE To determine the efficacy and safety of FMT for treatment of recurrent CDI. DESIGN Randomized, controlled, double-blind clinical trial. (ClinicalTrials.gov: NCT01703494). SETTING Two academic medical centers. PATIENTS 46 patients who had 3 or more recurrences of CDI and received a full course of vancomycin for their most recent acute episode. INTERVENTION Fecal microbiota transplantation with donor stool (heterologous) or patient's own stool (autologous) administered by colonoscopy. MEASUREMENTS The primary end point was resolution of diarrhea without the need for further anti-CDI therapy during the 8-week follow-up. Safety data were compared between treatment groups via review of adverse events (AEs), serious AEs (SAEs), and new medical conditions for 6 months after FMT. Fecal microbiota analyses were performed on patients' stool before and after FMT and also on donors' stool. RESULTS In the intention-to-treat analysis, 20 of 22 patients (90.9%) in the donor FMT group achieved clinical cure compared with 15 of 24 (62.5%) in the autologous FMT group (P = 0.042). Resolution after autologous FMT differed by site (9 of 10 vs. 6 of 14 [P = 0.033]). All 9 patients who developed recurrent CDI after autologous FMT were free of further CDI after subsequent donor FMT. There were no SAEs related to FMT. Donor FMT restored gut bacterial community diversity and composition to resemble that of healthy donors. LIMITATION The study included only patients who had 3 or more recurrences and excluded those who were immunocompromised and aged 75 years or older. CONCLUSION Donor stool administered via colonoscopy seemed safe and was more efficacious than autologous FMT in preventing further CDI episodes. PRIMARY FUNDING SOURCE National Institute of Diabetes and Digestive and Kidney Diseases.
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Affiliation(s)
- Colleen R Kelly
- From Warren Alpert Medical School of Brown University, Miriam Hospital, and Lifespan Hospital System, Providence, Rhode Island; University of Minnesota, Minneapolis/St. Paul, Minnesota; Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York; and University of Rhode Island, Kingston, Rhode Island
| | - Alexander Khoruts
- From Warren Alpert Medical School of Brown University, Miriam Hospital, and Lifespan Hospital System, Providence, Rhode Island; University of Minnesota, Minneapolis/St. Paul, Minnesota; Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York; and University of Rhode Island, Kingston, Rhode Island
| | - Christopher Staley
- From Warren Alpert Medical School of Brown University, Miriam Hospital, and Lifespan Hospital System, Providence, Rhode Island; University of Minnesota, Minneapolis/St. Paul, Minnesota; Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York; and University of Rhode Island, Kingston, Rhode Island
| | - Michael J Sadowsky
- From Warren Alpert Medical School of Brown University, Miriam Hospital, and Lifespan Hospital System, Providence, Rhode Island; University of Minnesota, Minneapolis/St. Paul, Minnesota; Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York; and University of Rhode Island, Kingston, Rhode Island
| | - Mortadha Abd
- From Warren Alpert Medical School of Brown University, Miriam Hospital, and Lifespan Hospital System, Providence, Rhode Island; University of Minnesota, Minneapolis/St. Paul, Minnesota; Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York; and University of Rhode Island, Kingston, Rhode Island
| | - Mustafa Alani
- From Warren Alpert Medical School of Brown University, Miriam Hospital, and Lifespan Hospital System, Providence, Rhode Island; University of Minnesota, Minneapolis/St. Paul, Minnesota; Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York; and University of Rhode Island, Kingston, Rhode Island
| | - Brianna Bakow
- From Warren Alpert Medical School of Brown University, Miriam Hospital, and Lifespan Hospital System, Providence, Rhode Island; University of Minnesota, Minneapolis/St. Paul, Minnesota; Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York; and University of Rhode Island, Kingston, Rhode Island
| | - Patrizia Curran
- From Warren Alpert Medical School of Brown University, Miriam Hospital, and Lifespan Hospital System, Providence, Rhode Island; University of Minnesota, Minneapolis/St. Paul, Minnesota; Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York; and University of Rhode Island, Kingston, Rhode Island
| | - Joyce McKenney
- From Warren Alpert Medical School of Brown University, Miriam Hospital, and Lifespan Hospital System, Providence, Rhode Island; University of Minnesota, Minneapolis/St. Paul, Minnesota; Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York; and University of Rhode Island, Kingston, Rhode Island
| | - Allison Tisch
- From Warren Alpert Medical School of Brown University, Miriam Hospital, and Lifespan Hospital System, Providence, Rhode Island; University of Minnesota, Minneapolis/St. Paul, Minnesota; Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York; and University of Rhode Island, Kingston, Rhode Island
| | - Steven E Reinert
- From Warren Alpert Medical School of Brown University, Miriam Hospital, and Lifespan Hospital System, Providence, Rhode Island; University of Minnesota, Minneapolis/St. Paul, Minnesota; Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York; and University of Rhode Island, Kingston, Rhode Island
| | - Jason T Machan
- From Warren Alpert Medical School of Brown University, Miriam Hospital, and Lifespan Hospital System, Providence, Rhode Island; University of Minnesota, Minneapolis/St. Paul, Minnesota; Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York; and University of Rhode Island, Kingston, Rhode Island
| | - Lawrence J Brandt
- From Warren Alpert Medical School of Brown University, Miriam Hospital, and Lifespan Hospital System, Providence, Rhode Island; University of Minnesota, Minneapolis/St. Paul, Minnesota; Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York; and University of Rhode Island, Kingston, Rhode Island
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Abstract
GOALS We evaluated a cohort of patients referred to our center for presumed recurrent Clostridium difficile infection (CDI) to determine final diagnoses and outcomes. BACKGROUND As rates of CDI have increased, more patients are diagnosed with recurrent CDI and other sequelae of the infection. Distinguishing symptomatic patients with CDI from those who are colonized with an alternative etiology of diarrheal symptoms may be challenging. MATERIALS AND METHODS We performed a retrospective review of 117 patients referred to our center for recurrent CDI between January 2013 and June 2014. Data collected included demographics, the referring provider, previous anti-CDI treatment, and significant medical conditions. In addition, we gathered data on atypical features of CDI and investigations obtained to investigate the etiology of symptoms. Outcomes included rates of alternative diagnoses and the accuracy of CDI diagnosis by the referral source. RESULTS The mean age was 61 years, and 70% were female. About 29 patients (25%) were determined to have a non-CDI diagnosis. Most common alternative diagnoses included irritable bowel syndrome (18 patients: 62%) and inflammatory bowel disease (3 patients:10%). The age was inversely correlated with the rate of non-CDI diagnosis (P=0.016). Of the remaining 88 (75%) patients with a confirmed diagnosis of CDI, 25 (28%) received medical therapy alone and 63 (72%) underwent fecal microbiota transplantation. CONCLUSIONS Among patients referred to our center for recurrent CDI, a considerable percentage did not have CDI, but rather an alternative diagnosis, most commonly irritable bowel syndrome. The rate of alternative diagnosis correlated inversely with age. Providers should consider other etiologies of diarrhea in patients presenting with features atypical of recurrent CDI.
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16
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Wadhwa A, AlNahhas MF, Dierkhising R, Patel R, Kashyap P, Pardi D, Khanna S, Grover M. High risk of post-infectious irritable bowel syndrome in patients with Clostridium difficile infection. Aliment Pharmacol Ther 2016; 44:576-82. [PMID: 27444134 PMCID: PMC4982831 DOI: 10.1111/apt.13737] [Citation(s) in RCA: 74] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 04/24/2016] [Accepted: 06/29/2016] [Indexed: 01/16/2023]
Abstract
BACKGROUND Infectious enteritis is a commonly identified risk factor for irritable bowel syndrome (IBS). The incidence of Clostridium difficile infection (CDI) is on the rise. However, there is limited information on post-infectious IBS (PI-IBS) development following CDI and the host- and infection-related risk factors are not known. AIM To determine the incidence and risk factors for PI-IBS following CDI. METHODS A total of 684 cases of CDI identified from September 2012 to November 2013 were surveyed. Participants completed the Rome III IBS questionnaire and details on the CDI episode. Predictive modelling was done using logistic regression to evaluate risk factors for PI-IBS development. RESULTS A total of 315 CDI cases responded (46% response rate) and 205 were at-risk (no pre-CDI IBS) for PI-IBS development. A total of 52/205 (25%) met the Rome III criteria for IBS ≥6 months following CDI. IBS-mixed was most common followed by IBS-diarrhoea. In comparison to those without subsequent PI-IBS, greater percentage of PI-IBS patients had CDI symptoms >7 days, nausea, vomiting, abdominal pain during CDI, anxiety and a higher BMI. Using logistic regression, CDI symptoms >7 days [Odds ratio (OR): 2.96, P = 0.01], current anxiety (OR: 1.33, P < 0.0001) and a higher BMI (OR: 1.08, P = 0.004) were independently associated with PI-IBS development; blood in the stool during CDI was protective (OR: 0.44, P = 0.06). CONCLUSIONS In this cohort study, new-onset IBS is common after CDI. Longer CDI duration, current anxiety and higher BMI are associated with the diagnosis of C. difficile PI-IBS. This chronic sequela should be considered during active management and follow-up of patients with CDI.
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Affiliation(s)
- A. Wadhwa
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - MF. AlNahhas
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - R. Dierkhising
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, MN
| | - R. Patel
- Division of Clinical Microbiology, Mayo Clinic, Rochester, MN
| | - P. Kashyap
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - D. Pardi
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - S. Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - M. Grover
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
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17
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Epidemiology, Diagnosis, and Management of Clostridium difficile Infection in Patients with Inflammatory Bowel Disease. Inflamm Bowel Dis 2016; 22:1744-54. [PMID: 27120571 PMCID: PMC4911291 DOI: 10.1097/mib.0000000000000793] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Clostridium difficile infection (CDI) is a major source of morbidity and mortality for the U.S. health care system and frequently complicates the course of inflammatory bowel disease (IBD). Patients with IBD are more likely to be colonized with C. difficile and develop active infection than the general population. They are also more likely to have severe CDI and develop subsequent complications such as IBD flare, colectomy, or death. Even after successful initial treatment and recovery, recurrent CDI is common. Management of CDI in IBD is fraught with diagnostic and therapeutic challenges because the clinical presentations of CDI and IBD flare have considerable overlap. Fecal microbiota transplantation can be successful in curing recurrent CDI when other treatments have failed, but may also trigger IBD flare and this warrants caution. New experimental treatments including vaccines, monoclonal antibodies, and nontoxigenic strains of C. difficile offer promise but are not yet available for clinicians. A better understanding of the complex relationship between the gut microbiota, CDI, and IBD is needed.
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18
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Hourigan SK, Chen LA, Grigoryan Z, Laroche G, Weidner M, Sears CL, Oliva-Hemker M. Microbiome changes associated with sustained eradication of Clostridium difficile after single faecal microbiota transplantation in children with and without inflammatory bowel disease. Aliment Pharmacol Ther 2015. [PMID: 26198180 DOI: 10.1111/apt.13326] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Little data are available regarding the effectiveness and associated microbiome changes of faecal microbiota transplantation (FMT) for Clostridium difficile infection (CDI) in children, especially in those with inflammatory bowel disease (IBD) with presumed underlying dysbiosis. AIM To investigate C. difficile eradication and microbiome changes with FMT in children with and without IBD. METHODS Children with a history of recurrent CDI (≥3 recurrences) underwent FMT via colonoscopy. Stool samples were collected pre-FMT and post-FMT at 2-10 weeks, 10-20 weeks and 6 months. The v4 hypervariable region of the 16S rRNA gene was sequenced. C. difficile toxin B gene polymerase chain reaction was performed. RESULTS Eight children underwent FMT for CDI; five had IBD. All had resolution of CDI symptoms. All tested had eradication of C. difficile at 10-20 weeks and 6 months post-FMT. Pre-FMT patient samples had significantly decreased bacterial richness compared with donors (P = 0.01), in those with IBD (P = 0.02) and without IBD (P = 0.01). Post-FMT, bacterial diversity in patients increased. Six months post-FMT, there was no significant difference between bacterial diversity of donors and patients without IBD; however, bacterial diversity in those with IBD returned to pre-FMT baseline. Microbiome composition at 6 months in IBD-negative patients more closely approximated donor composition compared to IBD-positive patients. CONCLUSIONS FMT gives sustained C. difficile eradication in children with and without IBD. FMT-restored diversity is sustained in children without IBD. In those with IBD, bacterial diversity returns to pre-FMT baseline by 6 months, suggesting IBD host-related mechanisms modify faecal microbiome diversity.
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Affiliation(s)
- S K Hourigan
- Johns Hopkins School of Medicine, Baltimore, MD, USA.,Pediatric Specialists of Virginia, Fairfax, VA, USA
| | - L A Chen
- Johns Hopkins School of Medicine, Baltimore, MD, USA.,NYU School of Medicine, New York, NY, USA
| | | | - G Laroche
- Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - M Weidner
- Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - C L Sears
- Johns Hopkins School of Medicine, Baltimore, MD, USA
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19
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Abstract
IMPORTANCE Since 2000, the incidence and severity of Clostridium difficile infection (CDI) have increased. OBJECTIVE To review current evidence regarding best practices for the diagnosis and treatment of CDI in adults (age ≥ 18 years). EVIDENCE REVIEW Ovid MEDLINE and Cochrane databases were searched using keywords relevant to the diagnosis and treatment of CDI in adults. Articles published between January 1978 and October 31, 2014, were selected for inclusion based on targeted keyword searches, manual review of bibliographies, and whether the article was a guideline, systematic review, or meta-analysis published within the past 10 years. Of 4682 articles initially identified, 196 were selected for full review. Of these, the most pertinent 116 articles were included. Clinical trials, large observational studies, and more recently published articles were prioritized in the selection process. FINDINGS Laboratory testing cannot distinguish between asymptomatic colonization and symptomatic infection with C difficile. Diagnostic approaches are complex due to the availability of multiple testing strategies. Multistep algorithms using polymerase chain reaction (PCR) for the toxin gene(s) or single-step PCR on liquid stool samples have the best test performance characteristics (for multistep: sensitivity was 0.68-1.00 and specificity was 0.92-1.00; and for single step: sensitivity was 0.86-0.92 and specificity was 0.94-0.97). Vancomycin and metronidazole are first-line therapies for most patients, although treatment failures have been associated with metronidazole in severe or complicated cases of CDI. Recent data demonstrate clinical success rates of 66.3% for metronidazole vs 78.5% for vancomycin for severe CDI. Newer therapies show promising results, including fidaxomicin (similar clinical cure rates to vancomycin, with lower recurrence rates for fidaxomicin, 15.4% vs vancomycin, 25.3%; P = .005) and fecal microbiota transplantation (response rates of 83%-94% for recurrent CDI). CONCLUSIONS AND RELEVANCE Diagnostic testing for CDI should be performed only in symptomatic patients. Treatment strategies should be based on disease severity, history of prior CDI, and the individual patient's risk of recurrence. Vancomycin is the treatment of choice for severe or complicated CDI, with or without adjunctive therapies. Metronidazole is appropriate for mild disease. Fidaxomicin is a therapeutic option for patients with recurrent CDI or a high risk of recurrence. Fecal microbiota transplantation is associated with symptom resolution of recurrent CDI but its role in primary and severe CDI is not established.
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Affiliation(s)
- Natasha Bagdasarian
- Division of Infectious Disease and Department of Infection Control, St John Hospital and Medical Center, Detroit, Michigan
- Wayne State University, Department of Internal Medicine, Detroit, Michigan
| | - Krishna Rao
- University of Michigan Medical School, Department of Internal Medicine, Division of Infectious Diseases, University of Michigan Health System, Ann Arbor, Michigan
- Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, Michigan
| | - Preeti N. Malani
- University of Michigan Medical School, Department of Internal Medicine, Division of Infectious Diseases, University of Michigan Health System, Ann Arbor, Michigan
- Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, Michigan
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20
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Affiliation(s)
- John K Marshall
- Division of Gastroenterology, Department of Medicine, McMaster University, Hamilton Ontario, Canada.
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21
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Grover M. Role of gut pathogens in development of irritable bowel syndrome. Indian J Med Res 2014; 139:11-8. [PMID: 24604037 PMCID: PMC3994726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Acute infectious gastroenteritis is one of the most commonly identifiable risk factors for the development of irritable bowel syndrome (IBS). A number of bacterial, viral and parasitic pathogens have been found to be associated with the development of IBS and other functional gastrointestinal (GI) disorders. Epidemiological studies have identified demographic and acute enteritis-related risk factors for the development of post-infectious-IBS (PI-IBS). Immune dysregulation, alterations in barrier function, serotonergic and mast cell activation have been identified as potential pathophysiological mechanisms. Additionally, variations in host genes involved in barrier function, antigen presentation and cytokine response have been associated with PI-IBS development. However, it is unknown whether specific pathogens have unique effects on long-term alterations in gut physiology or different pathogens converge to cause common alterations resulting in similar phenotype. The role of microbial virulence and pathogenicity factors in development of PI-IBS is also largely unknown. Additionally, alterations in host gut sensation, motility, secretion, and barrier function in PI-IBS need to be elucidated. Finally, both GI infections and antibiotics used to treat these infections can cause long-term alterations in host commensal microbiota. It is plausible that alteration in the commensal microbiome persists in a subset of patients predisposing them to develop PI-IBS.
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Affiliation(s)
- Madhusudan Grover
- Division of Gastroenterology & Hepatology, Mayo Clinic, Rochester, MN, USA,Reprint requests: Dr Madhusudan Grover, Assistant Professor, Division of Gastroenterology & Hepatology Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA e-mail:
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Sethi S, Wadhwa V, LeClair J, Mikami S, Park R, Jones M, Sethi N, Brown A, Lembo A. In-patient discharge rates for the irritable bowel syndrome - an analysis of national trends in the United States from 1997 to 2010. Aliment Pharmacol Ther 2013; 38:1338-46. [PMID: 24206371 DOI: 10.1111/apt.12532] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2013] [Revised: 08/07/2013] [Accepted: 09/27/2013] [Indexed: 02/06/2023]
Abstract
BACKGROUND Irritable bowel syndrome (IBS) is one of the most common out-patient diagnoses in primary care and gastroenterology. There are limited data on the rate and costs associated with in-patient discharges for IBS. AIM To estimate the incidence and costs of hospital discharges for IBS in the United States. METHODS We analysed the National Inpatient Sample database for all subjects in which IBS (ICD-9 code: 564.1) was the principal discharge diagnosis from 1997 to 2010. The National Inpatient Sample contains data from approximately 8 million hospital stays each year. Our findings reflected patient and hospital characteristics like geographical region and bed size. RESULTS In 1997, there were 11 433 patients with a principal discharge diagnosis of IBS as compared to 12 842 in 2010 (P > 0.9, GoF test). The mean length of stay for IBS also remained the same between 1997 and 2010 at 3.7 ± 0.1 days. However, during this period, the mean hospital charges per hospitalization increased by 207.8% from $6873 ± 198 in 1997 to $21 153 ± 598 in 2010 (P < 0.01). The aggregate charges (i.e., 'national bill') for IBS increased by 245.5% from $78 524 129 ± 3 781 316 in 1997 to $271 311 405 ± 14 023 289 in 2010 (P < 0.01). CONCLUSIONS The number of in-patient discharges and length of stay for IBS have remained relatively stable between 1997 and 2010, whereas the cost associated with these discharges has increased significantly. In-patient costs associated with IBS contribute significantly to the total healthcare bill. Further research on the cost-effectiveness of diagnostic procedures and therapies in IBS is required.
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Affiliation(s)
- S Sethi
- Division of Gastroenterology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
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Kassam Z, Lee CH, Yuan Y, Hunt RH. Fecal microbiota transplantation for Clostridium difficile infection: systematic review and meta-analysis. Am J Gastroenterol 2013; 108:500-8. [PMID: 23511459 DOI: 10.1038/ajg.2013.59] [Citation(s) in RCA: 624] [Impact Index Per Article: 56.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVES The clinical and economic burden of Clostridium difficile infection (CDI) is significant. Recurrent CDI management has emerged as a major challenge with suboptimal response to standard therapy. Fecal microbiota transplantation (FMT) has been used as a treatment to reconstitute the normal microbial homeostasis and break the cycle of antibiotic agents that may further disrupt the microbiome. Given the lack of randomized-controlled trials (RCTs) and limitations in previous systematic reviews, we aimed to conduct a systematic review with robust methods to determine the efficacy and safety profile of FMT in CDI. METHODS An electronic search was conducted using MEDLINE (1946-March 2012), EMBASE (1974-March 2012) and Cochrane Central Register of Controlled Trials (2012). The search strategy was not limited by language. Abstract data were excluded and only completed studies that underwent the full, rigorous peer-review process were included. Studies that used FMT via any delivery modality for laboratory or endoscopically proven CDI with clinical resolution as primary outcome were included. A sample size of 10 or more patients was a further criterion. Elements of the Centre for Reviews and Dissemination checklist and the National Institute of Clinical Excellence quality assessment for case series checklist were employed to determine study quality. Eligibility assessment and data extraction were performed by two independent researchers. Both unweighted pooled resolution rates (UPR) and weighted pooled resolution rates (WPR) were calculated with corresponding 95% confidence intervals (CI) for overall studies, as well as predefined subgroups. RESULTS Eleven studies with a total of 273 CDI patients treated with FMT were identified; no RCTs were found as none have been published. Two-hundred and forty-five out of 273 patients experienced clinical resolution (UPR 89.7%; WPR 89.1% (95% CI 84 to 93%)). There was no statistically significant heterogeneity between studies (Cochran Q test P=0.13, I(2)=33.7%). A priori subgroup analysis suggested that lower gastrointestinal FMT delivery (UPR 91.4%; WPR 91.2% (95% CI 86 to 95%)) led to a trend towards higher clinical resolution rates than the upper gastrointestinal route (UPR 82.3%; WPR 80.6% (95% CI 69-90%)) (proportion difference of WPR was 10.6% (95% CI -0.6 to 22%)). No difference in clinical outcomes was detected between anonymous vs. patient selected donors. There were no reported adverse events associated with FMT and follow-up was variable from weeks to years. CONCLUSIONS FMT holds considerable promise as a therapy for recurrent CDI but well-designed, RCTs and long-term follow-up registries are still required. These are needed to identify the right patient, efficacy and safety profile of FMT before this approach can be widely advocated.
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Affiliation(s)
- Zain Kassam
- Division of Gastroenterology, Department of Medicine, McMaster University Health Science Centre, Hamilton, Ontario, Canada
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Sethi S, Garey KW, Arora V, Ghantoji S, Rowan P, Smolensky M, DuPont HL. Increased rate of irritable bowel syndrome and functional gastrointestinal disorders after Clostridium difficile infection. J Hosp Infect 2010; 77:172-3. [PMID: 21190754 DOI: 10.1016/j.jhin.2010.09.024] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2010] [Accepted: 09/22/2010] [Indexed: 11/28/2022]
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An outbreak of acute bacterial gastroenteritis is associated with an increased incidence of irritable bowel syndrome in children. Am J Gastroenterol 2010; 105:933-9. [PMID: 20179687 DOI: 10.1038/ajg.2010.74] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVES Acute bacterial gastroenteritis is associated with subsequent post-infectious irritable bowel syndrome (PI-IBS) in adults. Less is known about this relationship in children. In May 2000, contamination of municipal water by Escherichia coli 0157:H7 and Campylobacter species caused a large outbreak of acute gastroenteritis in Walkerton, Ontario. We assessed this association among a cohort of children enrolled in the Walkerton Health Study (WHS). METHODS WHS participants who were under age 16 at the time of the outbreak but who reached age 16 during the 8-year study follow-up were eligible for the pediatric PI-IBS study cohort. Eligibility also required no diagnosis of IBS or inflammatory bowel disease before the outbreak and permanent residency in the Walkerton postal code at the time of the outbreak. Validated criteria were used to classify subjects as having had no gastroenteritis (unexposed controls), self-reported gastroenteritis, or clinically suspected gastroenteritis during the outbreak. From 2002 to 2008, standardized biennial interviews used a modified Bowel Disease Questionnaire to diagnose IBS by Rome I criteria. Risk factors for IBS were identified by logistic regression. RESULTS In all, 467 subjects were eligible for the pediatric PI-IBS study cohort (47.1% female; mean age 11.6+/-2.44 years at the time of the outbreak). Of these, 305 were exposed to GE (130 clinically suspected and 175 self-reported) and 162 were unexposed controls. The cumulative incidence of IBS was significantly increased among exposed subjects vs. controls (10.5% vs. 2.5%; odds ratio 4.6, 95% confidence interval (1.6, 13.3)). In an unadjusted risk factor analysis, IBS was associated with a shorter time interval from exposure to assessment of IBS symptoms, female gender, diarrheal illness lasting more than 7 days, weight loss >10 lb, and antibiotic use during the outbreak. In adjusted analyses, both female gender and time interval to assessment of IBS symptoms remained independent predictors of PI-IBS. CONCLUSIONS Acute bacterial gastroenteritis is associated with subsequent IBS in children as in adults. Risk factors for PI-IBS in children are similar to those identified among adults. Confirmation of these findings in similar cohorts is needed.
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Thabane M, Simunovic M, Akhtar-Danesh N, Marshall JK. Development and validation of a risk score for post-infectious irritable bowel syndrome. Am J Gastroenterol 2009; 104:2267-74. [PMID: 19568228 DOI: 10.1038/ajg.2009.302] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVES Acute gastroenteritis (GE) is an important risk factor for the development of irritable bowel syndrome (IBS). We used observational data from the Walkerton Health Study (WHS) to develop and validate a risk score for post-infectious (PI) IBS. METHODS Model derivation and validation were based on a split-sample method from a cohort of patients with exposure to GE (n=1,368). Study participants were randomly assigned to the derivation and validation cohorts in a 1:1 ratio. Within the derivation cohort, univariate and multivariable logistic regression were used to identify risk factors associated with IBS. The risk model was then applied to the validation cohort. Overall model performance was assessed using the area under the receiver operating curve (ROC). The risk score was developed using multivariable regression coefficients obtained from the derivation set and validated in the validation set. Classification and regression tree (CART) modeling was used to determine cutoff values for high, intermediate, and low risk based on the total score. RESULTS Nine variables were identified as important predictors of IBS (gender, age<60, longer duration of diarrhea, increased stool frequency, abdominal cramping, bloody stools, weight loss, fever, and psychological disorders (anxiety and depression)). The discriminatory power of the risk model based on the area under ROC was 0.70 and was similar in the validation set. The risk score model showed good accuracy in both the derivation and validation sets and was able to distinguish among cohorts at low, intermediate, and high risk for developing PI-IBS. Percentages of patients with PI-IBS in the low, intermediate and high risk were 10, 35, and 60% in the derivation cohort and 17, 36, and 62% in the validation cohort. CONCLUSIONS A simple risk tool that uses demographics and symptoms of acute GE can predict which patients with acute GE are at risk of developing PI-IBS. This tool may be used clinically to assess risk and to guide treatment.
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Affiliation(s)
- Marroon Thabane
- Department of Medicine (Division of Gastroenterology and The Farncombe Family Digestive Health Research Institute), McMaster University, Hamilton, Ontario, Canada
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Abstract
Post-infectious irritable bowel syndrome (PI-IBS) is a common disorder wherein symptoms of IBS begin after an episode of acute gastroenteritis. Published studies have reported incidence of PI-IBS to range between 5% and 32%. The mechanisms underlying the development of PI-IBS are not fully understood, but are believed to include persistent sub-clinical inflammation, changes in intestinal permeability and alteration of gut flora. Individual studies have suggested that risk factors for PI-IBS include patients’ demographics, psychological disorders and the severity of enteric illness. However, PI-IBS remains a diagnosis of exclusion with no specific disease markers and, to date, no definitive therapy exists. The prognosis of PI-IBS appears favorable with spontaneous and gradual resolution of symptoms in most patients.
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Singh S, Graff LA, Bernstein CN. Do NSAIDs, antibiotics, infections, or stress trigger flares in IBD? Am J Gastroenterol 2009; 104:1298-313; quiz 1314. [PMID: 19337242 DOI: 10.1038/ajg.2009.15] [Citation(s) in RCA: 116] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Non-steroidal anti-inflammatory drugs (NSAIDs), antibiotics, enteric or other systemic infections, and stress have all been reported to be potential triggers of inflammatory bowel disease (IBD). Although a mechanism of triggering a flare of IBD can be hypothesized for each factor, the associations of these factors with flares of IBD remains confusing. In this review, we analyze the literature that explores these associations. There is some evidence to support an association between NSAID use and flares but little data to associate antibiotic use directly with flares. An important connection between antibiotic use and an exacerbation of symptoms is through the development of Clostridium difficile infections. However, for all enteric infections, including C. difficile, it is unclear whether these infections simply trigger symptoms in patients with IBD that resolve on resolution of the infection, or whether they truly trigger a flare of intestinal inflammation that outlasts the infection. There is a paucity of evidence that other systemic infections trigger flares of IBD. Although there is strong evidence for an association between perceived stress levels and flares, there is a weaker association between a simple accounting of stressful life events and flares. Much of the literature is limited by a lack of adequate control groups and failure to report on base rates in the population under study (i.e., NSAIDs and antibiotic use, occurrence of infections, and stress levels). More large population-based matched cohort or case crossover studies and a continued emphasis on prospective designs are needed to better explore these potential associations. Clinical implications given the current state of knowledge are discussed.
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Affiliation(s)
- Sunny Singh
- The Department of Internal Medicine, Faculty of Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
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Piche T. [Alterations of intestinal epithelial barrier and flora in the irritable bowel syndrome]. GASTROENTEROLOGIE CLINIQUE ET BIOLOGIQUE 2009; 33 Suppl 1:S40-7. [PMID: 19303538 DOI: 10.1016/s0399-8320(09)71524-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The irritable bowel syndrome (IBS) is a common bowel disorder that markedly impairs quality of life of patients. The causes of IBS symptoms are not well known. Motility and sensibility disorders, a genetic susceptibility, stress, previous GI infections and food intolerance have been involved in the pathogenesis of IBS. Recent investigations suggest that alterations of the intestinal epithelial barrier integrity, in particular increased permeability, could modify the cross-talk between bacterial microflora and the host, thus leading to persitent "low-grade" inflammation and alterated GI motility and sensitivity.
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Affiliation(s)
- T Piche
- Pôle Digestif, Service de Gastroentérologie et Inserm 895, Hôpital de l'Archet II, Centre Méditerranéen de Médecine Moléculaire, 151 Route Saint Antoine de Ginestière, 06202 Nice cedex 3, France.
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New advances in Clostridium difficile infection: changing epidemiology, diagnosis, treatment and control. ACTA ACUST UNITED AC 2008. [DOI: 10.1097/mci.0b013e32831daed2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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New advances in Clostridium difficile infection: changing epidemiology, diagnosis, treatment and control. Curr Opin Infect Dis 2008; 21:500-7. [DOI: 10.1097/qco.0b013e32830f9397] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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